desktop-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Tags added: bios-outdated-a04

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https://bugs.launchpad.net/bugs/1446053

Title:
  Font corruption some characters suddenly not rendered after login or
  after a period of usage

Status in xorg package in Ubuntu:
  New

Bug description:
  This has occurred multiple times on my machine (Dell Inspiron 13 7000
  series laptop), it happens without warning. After which time suddenly
  application windows will fail to render certain characters making
  everything unreadable. In the past it has happened immediately after
  login, this time it happened after ~30 minutes usage from a cold boot.

  See attached screenshot.
  This doesn't happen for every window, chrome is generally ok, as are the unity launcher. The tools in the system tray and the power off menu are affected, as are nautilus, gedit, and application menus generally.
  Rolling over labels sometimes causes them to rener properly while the mouse is over them.

  Terminal is fine

  There is a workaround which is to change the font antialiasing
  settings with unity tweak tool, however this isn't a permanent fix -
  last time it was set to RGBA, so I changed it to Grayscale. This time
  it happened it was set to Grayscale and I set it to RGBA and it fixes
  it.

  I don't know enough to know whether this is a video driver issue, or a
  problem with gtk or what, so it's possible you may need to
  recategorise this defect.

  One other thing that may be useful info is that twiddling the
  antialiasing drop-down fixes and breaks the font rendering on the fly,
  when I see this problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xorg 1:7.7+7ubuntu2
  ProcVersionSignature: Ubuntu 3.16.0-34.45-generic 3.16.7-ckt8
  Uname: Linux 3.16.0-34-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Apr 20 06:39:41 2015
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0675]
  InstallationDate: Installed on 2015-04-05 (14 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Dell Inc. Inspiron 7348
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-34-generic.efi.signed root=/dev/mapper/LVM_VG1-root ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/26/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A01
  dmi.board.name: 08FH29
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A01
  dmi.modalias: dmi:bvnDellInc.:bvrA01:bd11/26/2014:svnDellInc.:pnInspiron7348:pvrA01:rvnDellInc.:rn08FH29:rvrA00:cvnDellInc.:ct10:cvrA01:
  dmi.product.name: Inspiron 7348
  dmi.product.version: A01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu0.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Mon Apr 20 05:54:03 2015
  xserver.configfile: default
  xserver.errors:

  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               19528
   vendor                                     SDC
  xserver.version: 2:1.16.0-1ubuntu1.3

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